Displaying 3 results from an estimated 3 matches for "vq_free_page".
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__free_page
2019 Sep 16
4
VIRTIO_BALLOON_F_FREE_PAGE_HINT
...s://github.com/torvalds/linux/commit/86a559787e6f5cf662c081363f64a20cad654195#diff-fd202acf694d9eba19c8c64da3e480c9>).
>
>
> My understanding is that this mechanism works similarly to the
> existing inflate/deflate queues. Pages are allocated by the guest and
> then reported on VQ_FREE_PAGE.
>
> Question: Is there a limit to how many pages will be allocated? What
> controls the amount of memory pressure applied?
No control for the limit currently. The implementation reports all the
guest free pages to host.
The main usage for this feature so far is to have guest skip sendi...
2019 Sep 16
4
VIRTIO_BALLOON_F_FREE_PAGE_HINT
...s://github.com/torvalds/linux/commit/86a559787e6f5cf662c081363f64a20cad654195#diff-fd202acf694d9eba19c8c64da3e480c9>).
>
>
> My understanding is that this mechanism works similarly to the
> existing inflate/deflate queues. Pages are allocated by the guest and
> then reported on VQ_FREE_PAGE.
>
> Question: Is there a limit to how many pages will be allocated? What
> controls the amount of memory pressure applied?
No control for the limit currently. The implementation reports all the
guest free pages to host.
The main usage for this feature so far is to have guest skip sendi...
2019 Oct 03
0
VIRTIO_BALLOON_F_FREE_PAGE_HINT
...54195#
> diff-fd202acf694d9eba19c8c64da3e480c9>).
> >>
> >>
> >> My understanding is that this mechanism works similarly to the
> >> existing inflate/deflate queues. Pages are allocated by the guest and
> >> then reported on VQ_FREE_PAGE.
> >>
> >> Question: Is there a limit to how many pages will be allocated? What
> >> controls the amount of memory pressure applied?
> >
> > No control for the limit currently. The implementation reports all the
> > guest free pag...